Description

1.permanent magnet DC brushless synchronous motor : effeciency improved by 15% to 20% 2.brass or stainless steel outlet /connector /oil cylinder 3.japanese NSK bearing:prolong the working lifespan 4.alloy mechanical seal:longer working life and High reliability 5. Intelligent water shortage protection 6.water proof grade IP 65 7.MPPT function Solar utilization rate is High